The natural resources in Ghana,Mali and Songhai contributed most to the growth and power of these empires.
•It brought about the beginning of the trans Saharan Caravan Trade in the 13th and 14th centuries.The gold-salt trade in Africa made these empires very powerful since they controlled the trade routes and taxed traders
•Cities also developed in Ghana,Mali and Songhai because their resources were in high demand and the overland trade routes connected them to west Africa
•The T.S.T brought about the spread of Islam throughout west Africa. The Muslims also sold their commodities (textiles,beads,camels and others) in exchange for gold and salt
From a volcano i guess i have not had geography yet
The line would have to pass through at least two points.
B. when limited resources cannot meet unlimited wants
Hope this helps :)
<h2>
short definition:</h2>
<u><em> a species is a population or groups of populations that can potentially interbreed freely within and among themselves.</em></u>
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<em><u> Subspecies, are subgroups within a species that have different traits </u></em>
<h2>
long definition</h2>
<em><u>A species is a group of organisms that (in the case of sexually reproducing organisms) can freely interbreed, producing fertile offspring. This definition has its problems, but overall, it encompasses the meaning of the word “species” in biology.</u></em>
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<em><u>A subspecies is, as the name implies, a smaller population within a species that share a particular common trait. Usually a sub species is at least partially genetically isolated from it’s parent species, so that interbreeding is less likely to occur. Most often a sub species is physically separated from the rest of the species, and may have some specific physical differences from the rest of the species. However, they are still able to interbreed with members of the parent population.</u></em>
